Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Bart Van de Vijver"'
Autor:
David Williams, Bart Van de Vijver
Publikováno v:
Diatom research
This short paper discusses two new synonyms of Ulnaria vitrea: Synedra mesocampa Brebisson in Kutzing and Synedra tenuis Kutzing. The data generated herein are based on original material and form a contribution to the taxonomic clarification of speci
Publikováno v:
Diatom research
We provide an update to our knowledge of the centric diatoms in the Tonle Sap Lake (Cambodia) by providing a new and highly detailed iconography of all observed taxa based on light and scanning electron microscopy. We highlight a distinctive flora, i
Autor:
David D. VanderMeulen, Jeffery R. Stone, David R.L. Burge, Norman A. Andresen, Bart Van de Vijver, Mark B. Edlund
Publikováno v:
Diatom research
The genus Semiorbis was erected by R.M.Patrick in 1966 as monotypic based on the relatively rare taxon Semiorbis hemicyclus. Defining characters for Semiorbis include strongly arcuate valves, short eunotioid raphe branches, well-developed external co
Publikováno v:
Diatom research
We document the morphology of 15 species of Eunotia from freshwater habitats in the Falkland Islands using light and electron microscopy, and describe four new species, Eunotia australovalida, Eunotia inconspicua, Eunotia floweriana and Eunotia latec
Fragilaria subrecapitellata (Fragilariaceae, Bacillariophyta), a new diatom species from Switzerland
Autor:
Bart Van de Vijver, David M. Williams, Zlatko Levkov, Carlos E. Wetzel, Joachim Hürlimann, Luc Ector
Publikováno v:
Diatom research
During a biomonitoring assignment in the Swiss canton Ticino, an unknown Fragilaria taxon was discovered that could not be identified using the currently available literature. The results of a morphological comparison with the type material of F. rec
Publikováno v:
Diatom research
Rhoicosphenia is a relatively small genus with about 30 species and 30 infraspecific varieties. Over the past decade there has been a renewed interest in describing previously undocumented diversity in Europe, Asia and North America, from fossil and
Autor:
Roksana Majewska, Matt P. Ashworth, Eric Lazo-Wasem, Nathan J. Robinson, Lourdes Rojas, Bart Van de Vijver, Theodora Pinou
Publikováno v:
Diatom research
Several populations of a new Craspedostauros species were observed on museum specimens of juvenile green turtle and Kemp's ridleys collected from Long Island Beach, New York, USA. The new taxon, Craspedostauros alatus Majewska & Ashworth sp. nov., ex
Publikováno v:
Diatom research
Five unknown taxa belonging to the newly established genus Humidophila were found during ongoing taxonomic revision of the freshwater and limno-terrestrial diatom flora of the Maritime Antarctic Region. These taxa were previously identified as Diades
Publikováno v:
Diatom research
A new centric diatom belonging to the genus Aulacoseira was found during a survey of the diatom community from peatbogs of Tierra del Fuego (southern Argentina). The present paper describes Aulacoseira frenguelliana sp. nov. based on detailed light a
Autor:
Amelie Jarlman, Eileen J. Cox, Luc Ector, Jan Krokowski, Bart Van de Vijver, Erwin Reichardt, Ingrid Jüttner
Publikováno v:
Diatom Research. 28:303-316
Gomphonema parvulum Kutzing and morphologically similar species can be difficult to distinguish while differing markedly in their ecology. It is important to identify these species correctly if the ecological status of their habitats is to be assesse